[Intel-gfx] i915 flickers after return from suspend
star at gmx.li
Sun May 10 11:58:24 UTC 2020
My laptop (core m5-6y54) starts flickering after returning from Suspend
(to RAM) or other commands touching the video driver (xrandr ...)
From kernel (tested with up to 5.7) I get the message:
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO
I added a bug with more details here:
but guys from Ubuntu seems not able to help.
This happend not in older kernels, but these have the problem not to go
in power save states. So I think the fix of that
causes this regression.
Hope someone can help. For a laptop it is better to have both - standby
and power saving. Thank you.
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